Conventional artificial lift devices, such as a downhole pump or a plunger, are designed to be placed in a vertical oil or gas well. Placing the downhole pump in a deviated section of a horizontal well to reduce the back pressure on the reservoir or the amount of free gas that enters the pump results in high operating costs due to pump failures. In wells with plunger lift systems, the deviation can affect adversely plunger performance and c│reate problems with plunger recovery. Increase estimated ultimate recovery (EUR) and reduce the operating costs using the MAPS-AL multiphase advanced pumping system for artificial lift, a unique technology solution for horizontal wells.

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Conventional artificial lift devices, such as a downhole pump or a
plunger, are designed to be placed in a vertical oil or gas well. Placing
the downhole pump in a deviated section of a horizontal well to reduce
the back pressure on the reservoir or the amount of free gas that
enters the pump results in high operating costs due to pump failures.
In wells with plunger lift systems, the deviation can affect adversely
plunger performance and create problems with plunger recovery.
Increase estimated ultimate recovery (EUR) and reduce the operating
costs using the MAPS-AL multiphase advanced pumping system for
artificial lift, a unique technology solution for horizontal wells.
How does MAPS-AL work?
▪ A pressure tank filled with a working fluid (water), a standing valve
installed below the downhole pump, and free gas in the horizontal
section of the horizontal well are used to displace a batch
(predetermined volume or controlled slug) of liquids (oil and water)
located between the downhole pump and the horizontal section
(the heel section) into the annular space.
▪ Gas is discharged from the annular space into the pressure tank
and an amount of free gas enters into the heel section from the
horizontal section of the well such that the total flow rate in the heel
section is increased during a time period.
▪ Then, the working fluid displaces gas from the pressure vessel
back into the annular space and the standing valve closes, keeping
the liquids at the downhole pump intake.
▪ The downhole pump transfers the liquids from the annular space
into the tubing.
▪ The amount of free gas entered into the heel section is released
into the annular space through the standing valve, once pressure in
the heel section becomes sufficiently high, which allows free gas to
rise up through the annular space towards the surface.
▪ The operation is performed repeatedly.
MAPS-AL™
Multiphase advanced pumping system for artificial lift
Applications
▪ Rod-pump systems
▪ Plunger-lift systems
Advantages
▪ Permits operators to recover the
liquids located below the downhole
equipment installed in the vertical
section of the horizontal well
▪ Increases production and reserves
by gradually lowering flowing
bottomhole pressure to avoid a
quick rise of gas-oil ratio (GOR)
▪ Suppresses severe slugging
▪ Eliminates solids accumulation at
the intake and inside the pump
▪ Extends the life of marginal
horizontal wells
▪ Obviates the need for a source of
pressurized gas
▪ Uses conventional equipment
already proven in the field
▪ Logistical simplicity-easy to
transport from one well to another
and install
▪ Longer flowlines can be used to
transport produced fluids to
processing facilities without gas
compression in the field
Benefits
▪ Improved well deliverability
▪ Reduced workovers
▪ Increased estimated ultimate
recovery
▪ Reduced flaring and venting of gas
A patent-pending, innovative solution
based on a new physical principle
developed for pumping horizontal wells

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Solve key challenges of pumping horizontal wells
Sucker-rod pumping brings a number of challenges when applied to
horizontal wells:
▪ A high hydrostatic pressure of liquids accumulated in the heel
section
▪ Multiple workovers replacing or repairing pumps due to
excessive gas interference and solids deposited in the lateral
▪ Poor pump efficiencies
▪ A quick rise of gas-oil ratio (GOR) when the reservoir pressure
drops below the bubble point of the oil
MAPS-AL transmits energy to the liquids located below the
downhole equipment using a centrifugal pump at the surface to
solve all of the above challenges. The system delivers liquid
batches to the intake of the downhole pump to increase the pump
fillage and prevents the formation of the stationary bed of solids in
the production liner and heel section. The latter feature is essential
to avoid impaired productivity of perforation clusters within fracture
stages and excessive solids concentrations in the fluids entering
the downhole pump. MAPS-AL is engineered to lower gradually
the flowing bottomohole pressure to maximize oil production and
minimize the rate of increase of GOR.
Reduce Lifting Cost
According to a survey conducted in the Permian Basin, the failure
frequencies are as follows: total is 0.66 per well per year, pump is
0.25 per well per year, rod is 0.22 per well per year, and tubing is
0.16 per well per year. The failure rate was about 2.5 well per year
while pumping from the horizontal wells according to another study.
Since MAPS-AL enables oil producers to operate the rod pump in
the vertical section and solve above challenges, on average, the
potential savings in workover costs can be $100,000 per well per
year at $50,000/workover.
Technical Data Sheet (TDS) Example
Total measured depth, ft 13020
True vertical depth, ft 8130
Length of the heel section, ft 1250
Vertical distance from the lower end of to
the upper end of the heel section, ft
1040
Casing inside diameter, in 4.89
Outside diameter of the tubing, in 2.88
Inside diameter of the production liner, ft 4.89
Liquid holdup in the production liner, % 25
Density of liquids in the heel section, lb/ft3
56.18
Casing pressure at wellhead, psig 100
Average daily flow rate of liquids, bpd 100
Volume of the pressure vessel, cu.ft 150
Frequency of operation, 1/hour 4.19
Surface pump power, HP 10
Contact Us Today
TDS for this product will be provided to
meet the exact needs of the customer
based on the following data submitted to
us:
▪ Well directional survey
▪ Well configuration
▪ Fluids properties
▪ Solids properties
▪ Reservoir data
▪ Artificial lift design
▪ Current production
An exact list of specific data required will
be provided.
E: sales@mpecorp.com
Utilizes a method for solids removal
from horizontal wellbores featured in the
NACE flagship magazine Materials
Performance (MP)
Patent pending
© 2020 Multiphase Energy Corporation. All rights reserved.
www.mpecorp.com